Do more wherever you go with Microsoft OneDrive. Get to and share your documents, photos, and other files from your iOS device, computer (PC or Mac), and any other devices you use. Use the Office mobile apps to stay productive and work together, no matter where you are. The OneDrive app for iOS lets you easily work with your personal and work files when you're on the go.
What’s New
The app would crash when dictating text annotations to a PDF. This is now fixed so talk away.
This wouldn't be possible without your feedback. If you run into any issues, please shake your device and tap "Report a Problem."
Source: Microsoft OneDrive on the App Store